hsunlockcodes.com

About Us 2

• Are you H&S Performance? I need help!
• Can you help me tune my truck?

Purchasing and Ordering 4

• Once I pay for my code, how long until I receive it?
• Why do I have to agree to the message saying that there's no refunds?
• I didn't receive my unlock code!
• My VIN unlock code didn't work!

SD Cards 2

• Making a Backup of your Tuner SD Card - Windows 10
• Making a Backup of your Tuner SD Card - macOS

VIN Unlocks 2

• How do I find the root code for my H&S tuner?
• VIN unlock worked, but now receiving an error message

Overdrive Transmission Software 2

• Entering the Overdrive transmission software code
• I bought the Overdrive Software, but the tuner doesn't prompt me for a code

GMC/Chevy Duramax 3

• Why does the GMC/Chevy Duramax require an additional unlock code?
• Can the GMC/Chevy Duramax transmission be unlocked for tuning?
• Can the GMC/Chevy Duramax tune levels be shifted on the fly?

General Information 1

• H&S Tuner Model Numbers and DPF Delete Capability

Error Codes 3

• Error 316 - No ECM Communication
• Unrecognized Part Number (xxxxxxx.MM error)
• Unrecognized Part Number SPRA020.MM

Procedures 2

• Returning to stock (OEM)
• Tuner is stuck in recovery mode or "initializing communication"

Mini Maxx Updates 3

• H&S Mini Maxx Firmware Update Change Log - 6.4L Power Stroke
• H&S Mini Maxx Firmware Update Change Log - '13-'14 6.7L Power Stroke
• H&S Mini Maxx Firmware Update Change Log - 6.6L LML / LGH

XRT Pro Updates 7

• XRT Pro Update Log '06-'07 5.9L Cummins
• XRT Pro Update Log ’07-’09 6.7L Cummins
• XRT Pro Update Log '10-'12 6.7L Cummins
• XRT Pro Update Log 6.6L Duramax LMM
• XRT Pro Update Log 6.6L Duramax LMM

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Black Maxx Updates 8

• Black Maxx update log '06-'07 5.9L Cummins
• Black Maxx Update Log '07-'09 6.7L Cummins
• Black Maxx Update Log '10-'12 6.7L Cummins
• Black Maxx Update Log Duramax 6.6L LMM
• Black Maxx Update Log Duramax 6.6L LML / LGH

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